The RKI Instruments 72-5502RK is a versatile and robust gas detector designed for simultaneous detection of up to six different gases. With a wide variety of field-proven sensors, including infrared (IR) options for CO2, % LEL CH4, and 0-100% volume CH4, this instrument provides accurate and reliable monitoring in diverse applications. Its powerful long-life pump with a 125-foot range ensures effective sampling, while the low flow pump shut-off and alarm enhance safety. The methane elimination switch allows for environmental use, and the security adjustment lockout switch prevents unauthorized changes. With up to 30 hours of continuous operation and compatibility with alkaline or Ni-Cad batteries, the 72-5502RK is built for extended field use. Its ergonomic, RFI/EMI/chemical-resistant case ensures durability in harsh conditions.
Key Features & Highlights
- Simultaneous detection of up to 6 different gases
- Wide variety of field-proven gas sensors available
- IR sensors available for CO2, % LEL CH4, and 0-100% volume CH4
- PPM / LEL hydrocarbon detection
- Powerful long-life pump with 125-foot range
- Low flow pump shut-off and alarm
- Methane elimination switch for environmental use
- Security adjustment lockout switch
- Up to 30 hours of continuous operation
- Alkaline or Ni-Cad capability
- Ergonomic RFI/EMI/chemical-resistant case
Application Areas
This gas detector is suitable for use in confined space entry, industrial hygiene, environmental monitoring, and hazardous area inspections. It is an essential tool for safety professionals in oil and gas, chemical, wastewater treatment, and other industries where gas hazards are present.



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